GSK (GSK) Options Chain
NYSE: GSKHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 6, 2026
- Days to expiration
- 26
- Share price
- $46.50
- Put/call ratio (OI)
- 0.23
- Put/call ratio (volume)
- 0.02
- Expected move
- ±$4.75
- Open interest (C / P)
- 114 / 26
GSK options summary
The GSK options chain for the November 6, 2026 expiration lists 7 call and 4 put contracts, with 26 days until expiration. Open interest stands at 114 calls and 26 puts, a put/call ratio of 0.23, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $47.00 strike is 38.3%, which implies the market expects a move of about ±$4.75 (10.2%) in GSK stock by expiration.
The most open interest sits at the $53.00 call (55 contracts) and the $48.00 put (10 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
GSK options chain · November 6, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 47.00 | 1.40 | 2.20 | 1.60 | |||||
| — | — | — | 48.00 | 1.35 | 3.10 | 1.00 | |||||
| 1.63 | 0.35 | 0.95 | 49.00 | 2.30 | 3.80 | 1.41 | |||||
| 0.40 | 0.05 | 0.75 | 50.00 | 2.45 | 4.90 | 2.21 | |||||
| 0.55 | 0.00 | 0.60 | 51.00 | — | — | — | |||||
| 1.00 | 0.00 | 0.35 | 52.00 | — | — | — | |||||
| 0.14 | 0.00 | 0.75 | 53.00 | — | — | — | |||||
| 0.40 | 0.00 | 0.45 | 55.00 | — | — | — | |||||
| 0.70 | 0.00 | 2.15 | 62.00 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the GSK put/call ratio?
For the November 6, 2026 expiration, the GSK put/call ratio based on open interest is 0.23 (26 puts vs 114 calls), and 0.02 based on today's volume. A ratio above 1 means more puts than calls.
What is GSK's implied volatility?
At-the-money implied volatility for GSK options expiring November 6, 2026 is about 38.3%, an annualized estimate of how much the market expects GSK stock to move.
How many GSK option expiration dates are there?
GSK has 10 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.